Answer:
Decrease in pressure
Explanation:
In the respiratory pump process to increase venous return, inhalation results in a decrease in pressure in the thoracic cavity, which causes the inferior vena cava and right atrium to expand and fill with blood.
Some rules are:
-A team must have 9 players to start,
-Bats must be official softball bats(no metal screws or screw-in cleats are allowed)
Blood delivers oxygen and nutrients to every cell and removes the carbon dioxide and waste products made by those cells. Blood is carried from your heart to the rest of your body through a complex network of arteries, arterioles, and capillaries.
The circulatory system is your answer
Answer:
30 ( suggested by my mom)
Explanation: